西门子MP277屏幕按键失灵主板修理（当天好），西门子MP277-10寸触摸屏全部按键都没反应维修，西门子操作屏幕MP277按键有时好用有时按键没反应是什么原因，排查按键接触好不，主板按键电路故障，屏幕显示显示线条、蓝屏、系统丢失、程序丢失、不通电、触摸失灵、触摸偏移、通讯不上、通讯异常、不能通讯、显示模糊、碎屏、电源板坏、液晶屏故障、不能正常开机、开不了机丶报错、报警、提示错误、显示反了等等故障维修。西门子触摸屏无动作反应，
KP400; 6AV2 124-1DC01-0AX0
KTP400; 6AV2 124-2DC01-0AX0，进不了系统画面维修，
KP700; 6AV2124-1GC01-0AX0
TP700; 6AV2124-0GC01-0AX0
TP700 Outdoor; 6AV2124-0GC13-0AX0
KP400; 6AV2 124-1DC01-0AX0
KTP400; 6AV2 124-2DC01-0AX0
KP700; 6AV2124-1GC01-0AX0
TP700; 6AV2124-0GC01-0AX0
TP700 Outdoor; 6AV2124-0GC13-0AX0
KP900; 6AV2124-1JC01-0AX0
TP900; 6AV2124-0JC01-0AX0
KP1200; 6AV2124-1MC01-0AX0
TP1200; 6AV2124-0MC01-0AX0
KP1500; 6AV2 124-1QC02-0AX0
TP1500; 6AV2124-0QC02-0AX0
TP1500,6AV214-0QC02-0AX1
TP1500 Outdoor; 6AV2124-0QC13-0AX0
TP1900; 6AV2 124-0UC02-0AX0
TP1900; 6AV2124-0UC02-0AX1
TP2200; 6AV2124-0XC02-0AX0
6AV2124-0GC01-0AX0 TP700
6AV2124-0JC01-0AX0 TP900
6AV2124-0MC01-0AX0 TP1200
6AV2144-8MC10-0AA0,TP1200
6AV2124-0QC02-0AX0 TP1500
6AV2124-0UC02-0AX0 TP1900
6AV2124-OXCO2-OAXO TP2200
西门子触摸屏死机维修，西门子显示屏乱码维修，西门子人机界面进不去系统维修，西门子工业电脑进不了程序维修
